She really was not looking forwards to this class. It gave her headache. And no one liked headache riiiight! Maybe she should just drop it and save herself the effort and shame after failing. Or maybe she could try till the last chance.

Cue why she was here staring at the new Professor who probably was the reason she had showed up. Curiosity you know.

The fifth year sat silently trying to figure out what they were doing. They hadnt started the lesson yet, right? Juuust checking.

Umm did he say invisible number? Ok, stop everything right there she had never heard of those!!!! Did everyone know about them? How come she did not. blond moment

" zero." She said after a very long pause. That was a number still, no?